Add 80/4 and 84/18
1st number: 20 0/4, 2nd number: 4 12/18
80/4 + 84/18 is 74/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
80/4 = 80 × 9/4 × 9 = 720/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
84/18 = 84 × 2/18 × 2 = 168/36 - Add the two like fractions:
720/36 + 168/36 = 720 + 168/36 = 888/36 - 888/36 simplified gives 74/3
- So, 80/4 + 84/18 = 74/3
In mixed form: 242/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+84/18 80/4+84/36 80/12+84/18 80/4+84/54 80/20+84/18 80/4+84/90 80/28+84/18